EN 1.4669 (X2CrCuNiN23-2-2) Stainless Steel
Duplex Stainless Steels
Property Overview
Density7.7g/cm³
Elastic Modulus200GPa
Tensile Strength780MPa
Yield Strength450MPa
Brinell Hardness260HB
Maximum Service Temperature1030°C
Chemical Composition
C
0 to 0.045%
CR
21.5 to 24%
NI
1.0 to 3.0%
MO
0 to 0.5%
MN
1.0 to 3.0%
SI
0 to 1.0%
N
0.12 to 0.2%
P
0 to 0.040%
S
0 to 0.030%
CU
1.6 to 3.0%
FE
65.2 to 74.8%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
28 %
Fatigue Strength
330 MPa
Impact Strength: V-Notched Charpy
110 J
Poisson's Ratio
0.27
Shear Modulus
78 GPa
Shear Strength
500 MPa
Tensile Strength: Ultimate (UTS)
780 MPa
Tensile Strength: Yield (Proof)
450 MPa
Hardness
Brinell Hardness
260
Physical
Density
7.7 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
440 °C
Maximum Temperature: Mechanical
1030 °C
Melting Completion (Liquidus)
1420 °C
Melting Onset (Solidus)
1370 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
4.0 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
21 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.5 % IACS
Calculated
PREN (Pitting Resistance)
26
Resilience: Ultimate (Unit Rupture Work)
190 MJ/m 3
Resilience: Unit (Modulus of Resilience)
510 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
28 points
Strength to Weight: Bending
24 points
Environmental
Base Metal Price
13 % relative
Embodied Carbon
2.6 kg CO 2 /kg material
Embodied Energy
38 MJ/kg
Embodied Energy
38 MJ/kg 16 x 10 3 BTU/lb
Embodied Water
160 L/kg
Embodied Water
160 L/kg 19 gal/lb
Registered Designations & Aliases
1.4669EN 1.4669 (X2CrCuNiN23-2-2) Stainless SteelX2CrCuNiN23-2-2
Standards
EN 10088-1 EN 10088-1: Stainless steels - Part 1: List of stainless steels
EN 10088-3 EN 10088-3: Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes